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Editing Step 17 —

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Insert an M3 square nut into the top right hand slot of the Hermes

Secure the hotend fan in place by screwing x2 M3x16 screws

Be aware it is possible to crack the t slots if you use screws that are too long and bottoms out. Our recommendation is to use screws that protrude 3mm +- 0.25mm from the mounting surface to go into the T-Slots. Over tightening also risks snapping the T slot.